White Washers | McMaster-Carr

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Specifications Met Specifications Met

3-A Sanitary Certified

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	For Use With For Use With

	Environment Environment

1,318 Products

Washers

Mil. Spec. Plastic Washers

Choose these washers for their adherence to strict military standards for material and construction.

Chemical-Resistant Plastic Washers

These washers surpass most other plastic washers when it comes to withstanding chemicals, oil, and grease.

Metric Chemical-Resistant Plastic Washers

These metric washers surpass most other plastic washers when it comes to withstanding chemicals, oil, and grease.

Mil. Spec. Chemical-Resistant Plastic Washers

Choose these washers for their adherence to strict military standards for material and construction.

Metric Electrical-Insulating Plastic Washers

Water- and Steam-Resistant Plastic Washers

Low moisture absorption and good heat resistance make these washers suitable for wet and harsh environments.

Metric Water- and Steam-Resistant Plastic Washers

Low moisture absorption and good heat resistance make these metric washers suitable for wet and harsh environments.

Plastic Countersunk Washers

Plastic washers are good electrical insulators.

Electrical-Insulating Sleeve Washers

Also known as shoulder washers.

Plastic Washers for Rigid Insulation

Plastic washers resist moisture, chemicals, and friction and are good electrical insulators.

Spring Lock Washers for Plastic Screws

Designed for use with plastic screws, these acetal washers are good electrical insulators. They are excellent for use under water and in rotating assemblies.

Weather-Resistant Rubber Sealing Washers

Sunlight, ozone, and water won’t affect these washers.

Oil-Resistant Rubber Sealing Washers

These washers surpass other rubber washers when it comes to withstanding oil, grease, and fuel.

Abrasion-Resistant Rubber
and Plastic Sealing Washers

Made of durable material, these washers resist wear from rubbing and scraping surfaces.

Shims

Ring Shims

Precisely align, level, and adjust spacing on fasteners and shafts with these shims.

Color-Coded Ring Shims

Precisely align, level, and adjust spacing on fasteners, shafts, and machinery with these shims, which are color-coded by thickness for easy identification.

Color-Coded Slotted Shims

These shims are color-coded by thickness for easy identification. The slot lets you insert, remove, and adjust the shims without disassembling your machinery.

Large-Adjustment Slotted Shims

Use these thick shims to align cabinets, doors, and windows, or for other rough leveling.

Shims for Hinges

Slide these shims behind your door’s hinge to align it in the jamb.

Slotted Tapered Shims

The slot lets you install these rigid shims around screws.

Tapered Shims

Ridges keep these shims from sliding apart when stacked.

Plastic Unthreaded Spacers

PTFE Unthreaded Spacers

PTFE spacers have a slippery surface and surpass most plastic spacers when it comes to chemical resistance and performance in extreme temperatures.

Acetal Unthreaded Spacers

Naturally slippery and wear resistant, acetal spacers also offer some resistance to moisture.

Polypropylene Unthreaded Spacers

Polypropylene spacers have a hard surface and resist many chemicals and solvents.

Dry-Running Thrust Bearings

Light Duty Dry-Running Thrust Bearings

Use where high loads and speeds are not required.

Ultra-Low-Friction Dry-Running Thrust Bearings

Use these bearings in applications with frequent starts and stops because they operate with very little friction.

Food Industry Dry-Running Thrust Bearings

Made of FDA listed materials for use in food applications, these bearings also withstand caustic and washdown environments.

O-Rings

Oil-Resistant Clean Room Buna-N O-Rings

These Buna-N O-rings are made and bagged in an ISO Class 7 (Fed. Std. 10,000) clean room.

Ultra-Chemical-Resistant Rigid PTFE O-Rings

Rigid and hard with a slippery surface, these PTFE O-rings resist harsh chemicals, such as acetone, fluorinated solvents, methanol, and boric acid.

Ultra-Chemical-Resistant Rigid PTFE O-Rings for
Tube Fittings with Straight-Thread Connection

These temperature- and chemical-resistant O-rings prevent leaks in tube fittings that have a straight-thread connection, also known as O-ring boss fittings.

Ultra-Chemical-Resistant Rigid PTFE O-Rings
for High-Polish Metal Sanitary Tube Fittings

Pair these O-rings with metric sanitary fittings, which are commonly known as aseptic fittings. Made of PTFE, they’re rigid with a slippery surface and resist harsh chemicals such as acetone, fluorinated solvents, methanol, and boric acid.

Chemical-Resistant Soft Viton®
Fluoroelastomer O-Rings

Softer than standard Viton® fluoroelastomer O-rings, these offer a better seal in low-pressure applications.

Chemical-Resistant High-Purity Clean
Room Viton® Fluoroelastomer O-Rings

These are the highest purity chemical-resistant O-rings we offer. They are made and bagged in an ISO Class 7 and Fed. Spec. Class 10,000 clean room, plus they’re USP VI certified; not for use in medical applications.

Ultra-Chemical-Resistant PTFE Backup Rings

These PTFE backup rings resist harsh chemicals, such as acetone, fluorinated solvents, methanol, and many acids.

Backup Ring Assortments

These 325-piece assortments mean you’ll always have a backup ring on hand.

Ultra-Chemical-Resistant Rigid
PTFE O-Ring Assortments

Rigid and hard with a slippery surface, these O-rings resist harsh chemicals, such as acetone, fluorinated solvents, methanol, and boric nitric, and sulfonic acids.

Oil-Resistant Food Industry Buna-N O-Ring Cord Stock

Made of FDA-listed material for use with food and beverage, this cord stock resists animal and vegetable oils, citric acid, sodium bicarbonate, and grease.

Chemical-Resistant Food Industry Viton®
Fluoroelastomer O-Ring Cord Stock

This cord stock is made of FDA-listed material for use with food and beverage. It resists citric acid, diluted salt solutions, glycerin, and sodium bicarbonate.

Grommets

Locking Grommets

These grommets snap into place and have wings that expand against the sides of the hole to lock them in position. Use them to protect wire, cable, and cords by turning rough-edged and uneven holes into smooth holes.

Expandable Locking Grommets

The center hole has flaps that flex to hold and protect various sizes of wire, cable, and cords while keeping out dust and debris. Snap these grommets into place and their wings expand against the sides of the hole to lock them in position. Use them to turn rough-edged and uneven holes into smooth holes.

Sanitary Sealing Grommets

Create a sanitary seal on through-wall piping, tubing, and cables in food-, cosmetic-, and pharmaceutical-processing areas.

Snap-In Fabric Grommets

No setting tools needed—snap the two parts together in a hole you've already cut to strengthen the hole and eliminate fraying. Use these grommets in tarps, covers, curtains, and other material.

Furniture Grommets

Eliminate clutter on desktops, countertops, benchtops, and other work surfaces by organizing wire, cable, and cords.

Expandable Furniture Grommets

The center hole has flaps that flex to accommodate various sizes of wire, cable, and cords while still providing dust and debris protection. Use these grommets to eliminate cord clutter on desktops, countertops, benchtops, and other work surfaces.

Janitorial and Cleaning

Scouring Pads

Scrub away heavy grease and grime with these pads.

Scouring Pads with Handle

Hold these pads by the handle for a secure grip when scrubbing heavy grease and grime.

Scouring Pads with Extended-Reach Handle

The handle on these pads has a 360° swivel socket for scrubbing grease and grime from hard-to-reach areas.

Drill-Operated Scouring Pads

Let your drill do the scrubbing and scouring for you.

Clothes Washers

These top-loading washers have five cycle selections.

Clothes Dryers

These front-loading dryers have three cycle selections—heavy duty, normal, and delicate.

Sink Drain Trap Fittings

Replacement Washers for Slip-Joint Fittings

Replacement Adapter Washers for Slip-Joint Fittings

These adapters connect 1 ¼” OD pipe to 1 ½” OD pipe.

Parts Cleaning and Treating

Food Industry Low-Scratch Tube Brushes with Handle

The handle makes it easy to brush by hand.

Acid-Resistant Plastic Round Parts Baskets

Made of polypropylene, these baskets withstand most acids and chemicals.